Dwyer Instruments 475-2-FM Manometer 322056-301 you know that keeping a

you know that keeping a boiler online during peak heating season requires precise components

Always use genuine A

accommodating varying site requirements

Using this valve with R-410A will result in improper flow rates and potential system failure due to different pressure requirements

keeping this sensor in your service truck prevents unnecessary downtime and ensures the system's modulation and safety shutdowns function exactly as engineered by the factory

Dwyer Instruments 475-2-FM Manometer 322056-301 you know that keeping aFor veteran HVACR technicians and industrial contractors, the Dwyer Instruments 475 2 FM Manometer is the trade standard for measuring differential pressure in demanding environments. This intrinsically safe digital manometer is FM approved for use in hazardous locations (Class 1, Div. 2, Groups A, B, C, D, T4), making it the go to tool for monitoring natural gas pressure on boilers and combustion equipment. With a versatile range of 0 to 40. 00" w.